Tay Thye Sun is a Singapore gemologist and the founder of Far East Gemological Lab and Far East Gemological Institute. Tay Thye Sun has been practicing
He collaborated with the National University of Singapore and Singapore Polytechnic and found out that the piece was green feldspar, not jade.
Tay Thye Sun has been practicing gemology after he graduated from the Gemological Institute of America since 1980.
He was invited to speak in APEC Melbourne 2000, APEC Beijing 2000, 60th Anniversary of the German Gemmological Association 1992, Germany; and the prestigious meeting by invitation only of the International Gemmological Conference held in Spain 2001, India 1999, Germany 1997, Thailand 1995, etc.